if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
return BAD_VALUE;
+ // make sure none of the layers are protected
+ const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ);
+ const size_t count = layers.size();
+ for (size_t i=0 ; i<count ; ++i) {
+ const sp<LayerBase>& layer(layers[i]);
+ const uint32_t z = layer->drawingState().z;
+ if (z >= minLayerZ && z <= maxLayerZ) {
+ if (layer->isProtected()) {
+ return INVALID_OPERATION;
+ }
+ }
+ }
+
if (!GLExtensions::getInstance().haveFramebufferObject())
return INVALID_OPERATION;
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
- const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ);
- const size_t count = layers.size();
for (size_t i=0 ; i<count ; ++i) {
const sp<LayerBase>& layer(layers[i]);
const uint32_t z = layer->drawingState().z;